Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2005 >> Prius L4-1.5L (1NZ-FXE) Hybrid >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Power Steering >> Steering Control Module >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Steering Control Module: Service and Repair

POWER STEERING ECU ASSEMBLY
REPLACEMENT
1. PRECAUTION
2. REMOVE REAR FLOOR BOARD NO.2
3. REMOVE DECK FLOOR BOX REAR
4. REMOVE REAR FLOOR BOARD NO.3
5. DISCONNECT BATTERY NEGATIVE TERMINAL
6. REMOVE INSTRUMENT PANEL REGISTER ASSEMBLY NO.1
7. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LOWER
8. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY UPPER
9. REMOVE INSTRUMENT PANEL REGISTER ASSEMBLY NO.3
10. REMOVE INSTRUMENT PANEL REGISTER ASSEMBLY NO.4
11. REMOVE INSTRUMENT PANEL REGISTER ASSEMBLY NO.2
12. REMOVE MULTI-DISPLAY ASSEMBLY
13. REMOVE GLOVE COMPARTMENT DOOR STOPPER SUB-ASSEMBLY
14. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
15. REMOVE GLOVE COMPARTMENT DOOR
16. REMOVE INSTR PANEL SPEAKER PANEL SUB-ASSEMBLY NO.1 W/CTR SPEAKER (W/ PREMIUM SOUND SYSTEM)
17. REMOVE FRONT PILLAR GARNISH CORNER PIECE LH
18. REMOVE FRONT PILLAR GARNISH CORNER PIECE RH
19. REMOVE FRONT PILLAR GARNISH LH
20. REMOVE FRONT PILLAR GARNISH RH
21. DISCONNECT PASSENGER AIRBAG CONNECTOR
22. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY W/PASSENGER AIRBAG ASSEMBLY
23. REMOVE POWER STEERING ECU ASSEMBLY





a) Separate the torque sensor wire harness clamp from the power steering ECU.

NOTICE: Be careful not to damage the torque sensor wire harness clamp.

b) Disconnect the 4 connectors.





c) Remove the 3 screws and the power steering ECU assembly.
24. INSTALL POWER STEERING ECU ASSEMBLY





a) Install the power steering ECU assembly with the 3 screws.
Torque: 5.0 Nm (50 kgf-cm, 44 inch lbs.)





b) Connect the 4 connectors.
c) Install the torque sensor wire harness clamp to the power steering ECU.
25. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY W/PASSENGER AIRBAG ASSEMBLY
26. CONNECT BATTERY NEGATIVE TERMINAL
27. INSTALL REAR FLOOR BOARD NO.3
28. INSTALL DECK FLOOR BOX REAR
29. INSTALL REAR FLOOR BOARD NO.2
30. INSPECT SRS WARNING LIGHT
31. PERFORM CALIBRATION OF TORQUE SENSOR ZERO POINT
32. PERFORM INITIALIZATION

HINT: When disconnecting the negative battery terminal, it is necessary to initialize other systems.





pro multis · About Operation CHARM